function check_req_fields()
  {

    var var_email=Trim(document.login.email.value);
    var var_password=document.login.userpassword.value;
    if(var_email=='')
    {
      alert("Email Address cannot be blank");
      document.login.email.focus();
      return false;
    }
    if(var_password=='')
    {
      alert("Password cannot be blank");
      document.login.userpassword.focus();
      return false;
    }
	if(checkEmailReg()==true)
	{
	    document.login.userpassword.value = calcMD5(document.login.userpassword.value);
	}
	else
	{
		alert("Invalid E-mail Address! Please re-enter.");
		return false;
	}
    return true;
  }

function checkEmailReg()
	{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.login.email.value))
		{
			return (true)
		}
		document.login.email.focus();
		//alert("Invalid E-mail Address! Please re-enter.")
		return (false)
	}